Home / 9,308,568.80-13,962,853.20-6,438,787.40

Finding the Fourth Proportional to 9,308,568.80, 13,962,853.20 and 6,438,787.40

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Solution

The fourth proportional to 9,308,568.80, 13,962,853.20 and 6,438,787.40 is: 9,658,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,568.80 : 13,962,853.20 = 6,438,787.40 : x
  2. Step 2: Convert to fraction form
    9,308,568.80/13,962,853.20 = 6,438,787.40/x
  3. Step 3: Cross multiply
    9,308,568.80x = 13,962,853.20 × 6,438,787.40
  4. Step 4: Simplify right side
    9,308,568.80x = 89,903,843,252,209.69
  5. Step 5: Solve for x
    x = 89,903,843,252,209.69/9,308,568.80
  6. Step 6: Final answer
    x = 9,658,181.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.